| 摘要 |
PROBLEM TO BE SOLVED: To constitute an on-vehicle activated charcoal filter by using small honeycomb type activated charcoal cells available on the market. SOLUTION: This on-vehicle activated charcoal filter has plural honeycomb type activated charcoal cells 1 and a cartridge 3 for holding the plural honeycomb type activated charcoal cells 1. The honeycomb type activated charcoal cells 1 are formed by molding a material using activated charcoal as a main raw material in a honeycomb shape by a mold, and a material having the activated carbon quantity: 60 wt.% or more, an area rate occupied by an opening part in a cell surface (a surface orthogonal to an air flow): 50 to 80% and the cell size: 300 cell/inch2 or more is used. |
